Most "500+ directory" submission services are quietly hurting your SEO. Here's what actually works.
I run StartupSubmit we submit founders' products to startup directories by hand so I've done this 150-200+ times now. The thing nobody tells you: bad directory submissions can actively hurt you, and most cheap "500+ directories!" services are doing exactly that. Here's how I think about it now.
Source authority is the whole game. A backlink is only worth having if it comes from a domain with real authority. We only submit to directories in the DR 30-90+ range that's where the link equity actually is. The hundreds of DR 2-10 directories that pad "500+" claims add nothing, and a pile of junk links can look spammy to Google rather than help.
Relevance matters as much as authority. A backlink from a niche-relevant directory (SaaS product listed on a SaaS/tech directory) carries more weight than a random general listing. We match products to relevant directories instead of blasting the same submission everywhere that's the difference between a link profile that looks earned and one that looks manufactured.
No spam sites, ever. Some services submit to link farms and low-quality aggregators because it inflates the number. Those are the listings you'll later be trying to disavow. Clean, high-DR, relevant sources only fewer listings, better ones.
The honest expectation on your own DR: high-authority directory backlinks strengthen your link profile and compound with the rest of your SEO. DR depends on your whole profile, not one batch of links. What you can count on is a set of legitimate, relevant, high-authority referring domains you didn't have to build by hand.
Why hand submission matters: every directory wants name, tagline, short/long descriptions, a specific logo size, category, sometimes a video. Doing 80+ by hand is why most founders quit after 10. Getting it done correctly, on the good directories only is most of the value.
Happy to answer directory questions in the comments I stare at these listings all day.